AQUAMOTION AMRE-FVL EINSTEIN SMART SERIES CAST IRON CIRCULATOR.PUMP HAS STAINLESS STEEL CARTRIDGE,IRON GUARD THAT PROTECTS AGAINST BLACK IRON OXIDE.DIGITAL WATTS DISPLAY,LOW ENERGY USE 45 WATTS,LED DISPLAY.6 FOOT LINE CORD,CHECK VALVE AND NUT.NO PROGRAMMING REQUIRED.MADE IN USA,WARWICK,RI.REPLACES TACO 007,007E,0015,0015E,1816E,AND GRUNDFOSS 15-58,15-42,ALPHA I AND II.